Finding the Fourth Proportional to 1,597.62, 2,395.33 and 672.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.62 : 2,395.33 = 672.43 : x
2. Step 2: Convert to fraction form
   1,597.62/2,395.33 = 672.43/x
3. Step 3: Cross multiply
   1,597.62x = 2,395.33 × 672.43
4. Step 4: Simplify right side
   1,597.62x = 1,610,693.06
5. Step 5: Solve for x
   x = 1,610,693.06/1,597.62
6. Step 6: Final answer
   x = 1,008.18